1——15，ACACC，BBBCA,BCCBB,
16、May Day, 17、good luck, 18、Greece, 19、flowers ,20、ringing doorbells
21——35，BDABC,DACDB ,ACDBA
36——40,CCBDB,BABDB,BC
48、If, 48、a ,50、it ，51、can, 52、for, 53、who ，54、about ， 55、while。
56——70，DBDDC,DCDAD,DBBCD
71，learn English well
72,Speaking
73,forming the habit
74,practicing every day
75,English language school
76,using the dictionary
77,re-reading
78,the new words
79,keeping a diary
80,reviewing anything
81,Because neither she or her husband had time to take care of their son.
82,He/She quickly ran to Jim and managed to help him.
83,Just a minute after he pulled hishand out.
16、May Day, 17、good luck, 18、Greece, 19、flowers ,20、ringing doorbells
21——35，BDABC,DACDB ,ACDBA
36——40,CCBDB,BABDB,BC
48、If, 48、a ,50、it ，51、can, 52、for, 53、who ，54、about ， 55、while。
56——70，DBDDC,DCDAD,DBBCD
71，learn English well
72,Speaking
73,forming the habit
74,practicing every day
75,English language school
76,using the dictionary
77,re-reading
78,the new words
79,keeping a diary
80,reviewing anything
81,Because neither she or her husband had time to take care of their son.
82,He/She quickly ran to Jim and managed to help him.
83,Just a minute after he pulled hishand out.